Cyber Security

Day 21 – Security Automation: Tools & Scripts for Cyber Engineers

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Introduction Security teams are under constant pressure: more assets, faster deployments, and threats that never sleep. Manual processes can’t keep pace. Automation is the difference between an overwhelmed SOC and a proactive, resilient security program. Over 20 years I’ve watched the discipline move from ad-hoc scripts to mature security automation ecosystems (SIEM → SOAR → […]

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Day 17 – Mobile Security: Protecting Apps & Devices

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When I started working in security nearly two decades ago, mobile phones were mostly about SMS scams and Bluetooth worms. In 2025, it’s a whole new battlefield. Your smartphone is now a wallet, office, social identity, and medical hub—making it an irresistible target. Today, mobile security isn’t just app developers’ responsibility—it’s a frontline concern for

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Day 13 – Cloud Security Best Practices: AWS, Azure & GCP

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When businesses moved aggressively to the cloud over the last decade, the promise was clear: scalability, cost-efficiency, and speed. But what most executives didn’t realize was that with cloud adoption comes a new threat surface. Attacks on misconfigured buckets, stolen access keys, and weak IAM policies have caused millions in damages. As a cyber security

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Day 9 – Cryptography Essentials: Encryption & Hashing Explained

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I still remember my first exposure to cryptography during an onsite project back in 2007. A global bank in Mumbai asked me to secure credit card transactions. At first, I thought firewalls and antivirus software were enough. But when I saw how modern attackers don’t just break into systems—they intercept or manipulate data in transit,

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Day 5 – Introduction to Operating Systems & Security Concepts

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In 2009, I was called to investigate a strange incident at a mid-sized manufacturing company. Employees reported that their computers were “acting slow” and were connecting to unknown IP addresses late at night. Initially, the IT team believed it to be a network glitch. But within days, confidential design documents were stolen. The culprit? A

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Day 19 – Incident Response & Disaster Recovery for Security Engineers

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Introduction Why Incident Response & Disaster Recovery Matter More Than Ever Imagine this: A global e-commerce company processes millions of transactions per day. Suddenly, a ransomware attack encrypts its entire customer database. Panic spreads, systems collapse, and revenue plummets by the minute. What separates companies that survive from those that shut down?The answer is robust

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